:root{--ink:#242533;--muted:#6c6f79;--line:#e8e9ed;--blue:#5263ed;--bg:#f7f8fa}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg);font:16px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue",sans-serif}a{color:inherit;text-decoration:none}button{font:inherit}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}.public-head{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1100px)/2));background:#fff;border-bottom:1px solid var(--line)}
.public-head img{width:100px;height:auto}.public-head nav{display:flex;gap:23px;font-size:14px;color:var(--muted)}.public-head a:hover{color:var(--blue)}
.public-main{max-width:920px;margin:0 auto;padding:70px 24px 110px}.public-kicker{color:var(--blue);font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase}.public-main h1{font-size:clamp(34px,5vw,54px);line-height:1.12;letter-spacing:-.04em;margin:12px 0}.public-lead{color:var(--muted);max-width:650px;margin:0 0 42px}
.public-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 32px;margin:0 0 16px}.public-card h2{font-size:21px;letter-spacing:-.02em;margin:0 0 10px}.public-card p{margin:0;color:var(--muted)}.public-card .copy{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--ink)}.public-meta{font-size:13px;color:var(--muted);margin-bottom:12px}.public-pill{display:inline-block;border-radius:100px;background:#eef0ff;color:#4351ba;padding:3px 10px;font-size:12px;font-weight:650;margin-right:9px}
.public-tabs{display:flex;gap:8px;margin-bottom:22px}.public-tabs button,.public-action{border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 16px;cursor:pointer}.public-tabs button[aria-pressed=true],.public-action:hover{background:#eef0ff;color:#4351ba;border-color:#dfe2ff}.public-action{display:inline-block;margin-top:18px;color:#4351ba}
.public-foot{border-top:1px solid var(--line);padding:24px;text-align:center;color:var(--muted);font-size:13px}@media(max-width:600px){.public-head{height:auto;padding:17px 20px;gap:18px;align-items:flex-start}.public-head nav{gap:12px;flex-wrap:wrap}.public-main{padding:48px 18px 80px}.public-card{padding:22px}}